With today's announcement of Windows Mobile 6, Microsoft also introduced a
new naming scheme of its PDA and smartphone device classes. No more Windows
Mobile for Pocket PC, no more Windows Mobile for Pocket PC Phone Edition and
no more Windows Mobile for Smartphone but just Windows Mobile 6 xyz where
xyz becomes more generic then it was before; in fact it becomes similar to
the Windows Vista and Windows Office 2007 naming scheme
The following overview should help you to get a better understanding what your
device was in past and what it will be from now (with the official introduction
of Windows Mobile 6):

According to Microsoft, this change in version names should better align the
brand with the evolution of the market from traditional handheld devices to
today's telephony-enabled "smart" devices. The new version names connect the two
telephony-based versions of Windows Mobile 6 in a hierarchy which reflects their
relative functionality:

Standard which is optimized for devices without touch screens
(previously known as Smartphone)

Professional which designed for devices with touch screens (previously
known as Pocket PC Phone Edition)

Classic which is designed for traditional touch screen devices, which do
not provide mobile telephony (previously known as Pocket PC)

Windows Mobile is also now powering an increasing variety of device form
factors, many of which are blurring the traditional concepts of "phone" and
"PDA." These new device styles and forms factors have rendered the previous
Windows Mobile version names (which were based on device form factors)
out-of-sync with, and sometimes counter-intuitive to, common marketplace
conventions.

Please be aware, from today, Microsoft is officially retiring the terms
Pocket PC and Pocket PC Phone Edition. In the future, Microsoft will use more
conventional terms when referring to Windows Mobile powered devices as either
smartphones or PDAs.

For you, as a user (as well as for developers which are offering
applications), these differences mean that applications developed for one
version may not operate on devices running the other version (while Classic will
run the same applications as Professional). Therefore it's critical to
understand, that the difference is whether or not a device has a touch screen
and Microsoft will use this approach right from now, being effective for both
Windows Mobile 5.0 and 6 powered devices.

Please note that for the next few months, we - at the::unwired - will
continue to use the Pocket PC, Pocket PC Phone Edition and Smartphone terms (in
combination with the new Windows Mobile 6 names) to make sure everybody knows
what we are talking about.